@[email protected]M to Science [email protected]English • edit-21 year agoSpeediest little fella.mander.xyzimagemessage-square61fedilinkarrow-up1351arrow-down127file-text
arrow-up1324arrow-down1imageSpeediest little fella.mander.xyz@[email protected]M to Science [email protected]English • edit-21 year agomessage-square61fedilinkfile-text
Photons can have little a mass, as a treat.